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Code Issues Releases Activity

Revert "avcodec/mjpegdec: postpone calling ff_get_buffer() until the SOS marker"

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This also temporary disables fate-jpegls which is re-enabled in the next commit

This reverts commit c8197f73e6.
This commit is contained in:
Michael Niedermayer 2021-05-02 14:44:03 +02:00
parent 4b1e1f706b
commit 9fd06a3639
6 changed files with 40 additions and 57 deletions
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6
libavcodec/jpeglsdec.c
View File

@ -108,8 +108,9 @@ int ff_jpegls_decode_lse(MJpegDecodeContext *s)
if (s->palette_index > maxtab)
return AVERROR_INVALIDDATA;
if (s->avctx->pix_fmt == AV_PIX_FMT_GRAY8 || s->avctx->pix_fmt == AV_PIX_FMT_PAL8) {
uint32_t *pal = s->palette;
if ((s->avctx->pix_fmt == AV_PIX_FMT_GRAY8 || s->avctx->pix_fmt == AV_PIX_FMT_PAL8) &&
(s->picture_ptr->format == AV_PIX_FMT_GRAY8 || s->picture_ptr->format == AV_PIX_FMT_PAL8)) {
uint32_t *pal = (uint32_t *)s->picture_ptr->data[1];
int shift = 0;
if (s->avctx->bits_per_raw_sample > 0 && s->avctx->bits_per_raw_sample < 8) {
@ -117,6 +118,7 @@ int ff_jpegls_decode_lse(MJpegDecodeContext *s)
shift = 8 - s->avctx->bits_per_raw_sample;
}
s->picture_ptr->format =
s->avctx->pix_fmt = AV_PIX_FMT_PAL8;
for (i=s->palette_index; i<=maxtab; i++) {
uint8_t k = i << shift;

1
libavcodec/mjpegbdec.c
View File

@ -55,7 +55,6 @@ static int mjpegb_decode_frame(AVCodecContext *avctx,
buf_ptr = buf;
buf_end = buf + buf_size;
s->seen_sof = 0;
s->got_picture = 0;
s->adobe_transform = -1;

83
libavcodec/mjpegdec.c
View File

@ -138,7 +138,6 @@ av_cold int ff_mjpeg_decode_init(AVCodecContext *avctx)
s->buffer = NULL;
s->start_code = -1;
s->first_picture = 1;
s->seen_sof = 0;
s->got_picture = 0;
s->orig_height = avctx->coded_height;
avctx->chroma_sample_location = AVCHROMA_LOC_CENTER;
@ -430,7 +429,6 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s)
memcpy(s->h_count, h_count, sizeof(h_count));
memcpy(s->v_count, v_count, sizeof(v_count));
s->interlaced = 0;
s->seen_sof = 0;
s->got_picture = 0;
/* test interlaced mode */
@ -683,13 +681,11 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s)
} else if (s->nb_components != 1) {
av_log(s->avctx, AV_LOG_ERROR, "Unsupported number of components %d\n", s->nb_components);
return AVERROR_PATCHWELCOME;
} else if (s->bits <= 8) {
avpriv_set_systematic_pal2(s->palette, s->avctx->pix_fmt);
if (s->palette_index)
s->avctx->pix_fmt = AV_PIX_FMT_PAL8;
else
s->avctx->pix_fmt = AV_PIX_FMT_GRAY8;
} else
} else if (s->palette_index && s->bits <= 8)
s->avctx->pix_fmt = AV_PIX_FMT_PAL8;
else if (s->bits <= 8)
s->avctx->pix_fmt = AV_PIX_FMT_GRAY8;
else
s->avctx->pix_fmt = AV_PIX_FMT_GRAY16;
}
@ -723,12 +719,25 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s)
if (s->avctx->skip_frame == AVDISCARD_ALL) {
s->picture_ptr->pict_type = AV_PICTURE_TYPE_I;
s->picture_ptr->key_frame = 1;
s->seen_sof = 1;
s->got_picture = 1;
return 0;
}
}
s->seen_sof = 1;
av_frame_unref(s->picture_ptr);
if (ff_get_buffer(s->avctx, s->picture_ptr, AV_GET_BUFFER_FLAG_REF) < 0)
return -1;
s->picture_ptr->pict_type = AV_PICTURE_TYPE_I;
s->picture_ptr->key_frame = 1;
s->got_picture = 1;
for (i = 0; i < 4; i++)
s->linesize[i] = s->picture_ptr->linesize[i] << s->interlaced;
ff_dlog(s->avctx, "%d %d %d %d %d %d\n",
s->width, s->height, s->linesize[0], s->linesize[1],
s->interlaced, s->avctx->height);
}
if ((s->rgb && !s->lossless && !s->ls) ||
(!s->rgb && s->ls && s->nb_components > 1) ||
@ -755,6 +764,18 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s)
memset(s->coefs_finished, 0, sizeof(s->coefs_finished));
}
if (s->avctx->hwaccel) {
s->hwaccel_picture_private =
av_mallocz(s->avctx->hwaccel->frame_priv_data_size);
if (!s->hwaccel_picture_private)
return AVERROR(ENOMEM);
ret = s->avctx->hwaccel->start_frame(s->avctx, s->raw_image_buffer,
s->raw_image_buffer_size);
if (ret < 0)
return ret;
}
return 0;
}
@ -1609,44 +1630,12 @@ int ff_mjpeg_decode_sos(MJpegDecodeContext *s, const uint8_t *mb_bitmask,
const int block_size = s->lossless ? 1 : 8;
int ilv, prev_shift;
if (!s->seen_sof) {
if (!s->got_picture) {
av_log(s->avctx, AV_LOG_WARNING,
"Can not process SOS before SOF, skipping\n");
return -1;
}
if (!s->got_picture || !s->interlaced || !(s->bottom_field == !s->interlace_polarity)) {
av_frame_unref(s->picture_ptr);
if (ff_get_buffer(s->avctx, s->picture_ptr, AV_GET_BUFFER_FLAG_REF) < 0)
return -1;
s->picture_ptr->pict_type = AV_PICTURE_TYPE_I;
s->picture_ptr->key_frame = 1;
for (i = 0; i < 4; i++)
s->linesize[i] = s->picture_ptr->linesize[i] << s->interlaced;
if (s->picture_ptr->format == AV_PIX_FMT_PAL8)
memcpy(s->picture_ptr->data[1], s->palette, sizeof(s->palette));
s->got_picture = 1;
ff_dlog(s->avctx, "%d %d %d %d %d %d\n",
s->width, s->height, s->linesize[0], s->linesize[1],
s->interlaced, s->avctx->height);
if (s->avctx->hwaccel && !s->hwaccel_picture_private) {
s->hwaccel_picture_private =
av_mallocz(s->avctx->hwaccel->frame_priv_data_size);
if (!s->hwaccel_picture_private)
return AVERROR(ENOMEM);
ret = s->avctx->hwaccel->start_frame(s->avctx, s->raw_image_buffer,
s->raw_image_buffer_size);
if (ret < 0)
return ret;
}
}
if (reference) {
if (reference->width != s->picture_ptr->width ||
reference->height != s->picture_ptr->height ||
@ -2572,7 +2561,6 @@ eoi_parser:
break;
}
if (avctx->skip_frame == AVDISCARD_ALL) {
s->seen_sof = 0;
s->got_picture = 0;
ret = AVERROR(EAGAIN);
goto the_end_no_picture;
@ -2586,7 +2574,6 @@ eoi_parser:
}
if ((ret = av_frame_ref(frame, s->picture_ptr)) < 0)
return ret;
s->seen_sof = 0;
s->got_picture = 0;
frame->pkt_dts = s->pkt->dts;
@ -2647,7 +2634,6 @@ skip:
av_log(avctx, AV_LOG_FATAL, "No JPEG data found in image\n");
return AVERROR_INVALIDDATA;
fail:
s->seen_sof = 0;
s->got_picture = 0;
return ret;
the_end:
@ -2938,7 +2924,6 @@ av_cold int ff_mjpeg_decode_end(AVCodecContext *avctx)
static void decode_flush(AVCodecContext *avctx)
{
MJpegDecodeContext *s = avctx->priv_data;
s->seen_sof = 0;
s->got_picture = 0;
s->smv_next_frame = 0;

3
libavcodec/mjpegdec.h
View File

@ -109,7 +109,6 @@ typedef struct MJpegDecodeContext {
int last_dc[MAX_COMPONENTS]; /* last DEQUANTIZED dc (XXX: am I right to do that ?) */
AVFrame *picture; /* picture structure */
AVFrame *picture_ptr; /* pointer to picture structure */
int seen_sof; ///< we found a SOF.
int got_picture; ///< we found a SOF and picture is valid, too.
int linesize[MAX_COMPONENTS]; ///< linesize << interlaced
int8_t *qscale_table;
@ -166,9 +165,7 @@ typedef struct MJpegDecodeContext {
enum AVPixelFormat hwaccel_sw_pix_fmt;
enum AVPixelFormat hwaccel_pix_fmt;
void *hwaccel_picture_private;
struct JLSState *jls_state;
uint32_t palette[AVPALETTE_COUNT];
} MJpegDecodeContext;
int ff_mjpeg_build_vlc(VLC *vlc, const uint8_t *bits_table,

2
libavcodec/mxpegdec.c
View File

@ -197,7 +197,7 @@ static int mxpeg_decode_frame(AVCodecContext *avctx,
buf_end = buf + buf_size;
jpg->got_picture = 0;
s->got_mxm_bitmask = 0;
jpg->seen_sof = s->got_sof_data = !!s->got_sof_data;
s->got_sof_data = !!s->got_sof_data;
while (buf_ptr < buf_end) {
start_code = ff_mjpeg_find_marker(jpg, &buf_ptr, buf_end,
&unescaped_buf_ptr, &unescaped_buf_size);

2
tests/fate/image.mak
View File

@ -350,7 +350,7 @@ fate-jpegls-5bpc: CMD = framecrc -idct simple -i $(TARGET_SAMPLES)/jpegls/32.jls
FATE_JPEGLS += fate-jpegls-7bpc
fate-jpegls-7bpc: CMD = framecrc -idct simple -i $(TARGET_SAMPLES)/jpegls/128.jls -pix_fmt rgb24 -vf scale
FATE_JPEGLS-$(call DEMDEC, IMAGE2, JPEGLS) += $(FATE_JPEGLS)
#FATE_JPEGLS-$(call DEMDEC, IMAGE2, JPEGLS) += $(FATE_JPEGLS)
FATE_IMAGE += $(FATE_JPEGLS-yes)
fate-jpegls: $(FATE_JPEGLS-yes)